ProSoft Technology MVI46-103M - Manual (Page 21)

Functional Overview MVI46-103M ♦ SLC Platform
IEC 60870-5-103 Master Communication Module
ProSoft Technology, Inc. Page 21 of 187
September 12, 2006
Word Offset in
Block Data Field(s) Description
4100 Block ID This field contains the block identification code of 9901
for the block.
4101 Command Count This field defines the number of user commands
contained in the block. The valid range for the field is 1
to 8.
4102 to 4111 Command #1 Data required to build the user defined command in the
command queue.
4112 to 4121 Command #2 Data required to build the user defined command in the
command queue.
4122 to 4131 Command #3 Data required to build the user defined command in the
command queue.
4132 to 4141 Command #4 Data required to build the user defined command in the
command queue.
4142 to 4151 Command #5 Data required to build the user defined command in the
command queue.
4152 to 4161 Command #6 Data required to build the user defined command in the
command queue.
4161 to 4171 Command #7 Data required to build the user defined command in the
command queue.
4172 to 4181 Command #8 Data required to build the user defined command in the
command queue.
The following fields are used for each 10-word record in the command list:
Word Offset Definitions Description
0 Database Index Address in module to associate with the command.
1 Session Index Session index defined in the module to associate with
the command.
2 Sector Index Sector index for session as defined in the module.
3 Data Type ASDU data type associated with the command.
4 Function Code Function Code for the command.
5 Point Index *
*Information Number
Information object address for the point on which the
command operates.
6 Override Flag Override flag for general command.
7 Override Value Override value for general command.
8 Reserved Reserved for future use.
9 Reserved Reserved for future use.
Refer to the command list section of this documentation for a detailed definition
of the fields contained in this block. They are the same as those used in
constructed the commands in the command list.
There is no response block built by the module to send back to the processor
after the block is processed. The module will set register 4100 to a value of zero
after the commands have been processed. The commands are placed in the
command queue and issued at a high priority.